Files MD5 SHA1 Calculate & Compare
Files hash digest calculator to verify download integrity compared to publishers original calculation results.
Files MD5, SHA1, SHA2 checksum calculation and comparison easy within the browser.
Files MD5 SHA1 Calculate & Compare
Files MD5 SHA1 Calculate & Compare is a Firefox add-on that allows you to efficiently calculate and compare MD5, SHA1, and SHA2 checksums of files to verify their download integrity.
Add-on stats
Weekly download count: 6
Firefox on Android: Yes
Risk impact: Very low risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- storage
Size: 42.45K
URLs: Privacy policy
Ranking
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
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Add-on summary
Efficient by design using background worker threads to offload all calculations leaving the browser and other tabs responsive.
Some relevant links:
Wikipedia - https://en.wikipedia.org/wiki/Cryptographic_hash_function
OpenSSL - https://www.openssl.org/docs/man1.1.0/apps/dgst.html
Microsoft File Checksum Integrity Verifier - https://www.microsoft.com/en-us/download/details.aspx?id=11533
Apple Mac Computer, Checking an MD5 Checksum on - http://www.resourcesforlife.com/docs/item1428
User reviews
Works, but slow. Usable for files <1GB
by pasman1, 2024-12-06
by Firefox user 18619481, 2024-10-20
Gan Jing World is a clean, curated universe and a dynamic, overlapping network of integrated platforms and services. ==> https://www.ganjing.com
by GanJingWorld, 2022-12-22
Add-on safety
Risk impact
Files MD5 SHA1 Calculate & Compare does not require any sensitive permissions.
Risk likelihood
Files MD5 SHA1 Calculate & Compare is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
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